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Convert to/from DateTime and Time in Ruby
... in a
# fraction of a day.
offset = Rational(utc_offset, 60 * 60 * 24)
DateTime.new(year, month, day, hour, min, seconds, offset)
end
end
Similar adjustments to Date will let you convert DateTime to Time .
class Date
def to_gm_time
to_time(new_offset, :gm)
end
def to_l...
HtmlString vs. MvcHtmlString
... exists in ASP.NET 4.
MvcHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...nCommand({replSetStepDown : 1, force : true})
或者使用 rs.stepDown(120)也可以达到同样的效果，中间的数字指不能在停止服务这段时间成为主节点，单位为秒。
设置一个从节点有比主节点有更高的优先级。
先查看当前集群中优先级，通...
What does “#define _GNU_SOURCE” imply?
...OURCE, but you should avoid defining it and instead define _POSIX_C_SOURCE=200809L or _XOPEN_SOURCE=700 when possible to ensure that your programs are portable.
In particular, the things from _GNU_SOURCE that you should never use are #2 and #4 above.
...
Python: How do I make a subclass from a superclass?
...ven better, the use of Python's built-in function, super() (see the Python 2/Python 3 documentation for it) may be a slightly better method of calling the parent for initialization:
# Better initialize using Parent (less redundant).
#
class MySubClassBetter(MySuperClass):
def __init__(self):
...
Using PassportJS, how does one pass additional form fields to the local authentication strategy?
...
2 Answers
2
Active
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NodeJS - Error installing with NPM
... VS on windows, check this out
https://github.com/nodejs/node-gyp/issues/629#issuecomment-153196245
UPDATED 02/2016
Some npm plugins need node-gyp to be installed.
However, node-gyp has it's own dependencies (from the github page):
UPDATED 09/2016
If you're using Windows you can now install ...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
...b
pip install https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz
Install from local tarball
wget https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz
pip install requests-2.3.0.tar.gz
Install from local folder
tar -zxvf requests-2.3.0.tar.gz
cd reques...
What is the difference between Serialization and Marshaling?
...
12 Answers
12
Active
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Order of serialized fields using JSON.NET
...
257
The supported way is to use the JsonProperty attribute on the class properties that you want t...